Properly handle HTTP errors from sendgrid

Closes #46

1 files changed, 8 insertions, 2 deletions

diff --git a/lib/sendgrid.js b/lib/sendgrid.js
index 12c8b85..b01d4dd 100644
--- a/lib/sendgrid.js
+++ b/lib/sendgrid.js
@@ -72,9 +72,15 @@ SendGrid.prototype.send = function(email, callback) {
         content += chunk;
       });
       res.on('end', function() {
-        var json = JSON.parse(content);
-        cb(json.message == 'success', json.errors);
+        try {
+          var json = JSON.parse(content);
+          cb(json.message == 'success', json.errors);
+        } catch (e) {
+          cb(false, "Invalid JSON response from server");
+        }
       });
+    }).on('error', function(e) {
+      cb(false, e);
     });
 
     // If the email has files, it will be a multipart request.